Just be aware that by becoming entirely or mainly dependant on your calculator, you may be hurting yourself in the long run. In my college Calc II and Calc III classes, I was NOT allowed to use ANY calculators, much less my '89 on any of the in class exams. There were many people who struggled because they no longer had the calculator for a crutch. For the SAT, this isn't really that big a deal, but if you're using the AP test to help get some college credit out of the way, be aware that possible classes to follow may not be as calculator friendly.
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Calling from deep in the heart, from where the eyes can't see and the ears can't hear, from where the mountain trails end and only love can go... ~~~ Three Rivers Hare Krishna
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